CN217390013U - Atomizer and aerosol generating device - Google Patents

Abstract

The utility model provides an atomizer and aerosol generating device, the embodiment of the utility model provides an atomizer is through the hole that converges that sets up and the atomizing chamber intercommunication in the cigarette bullet main part to set up inlet channel between air inlet and the hole that converges, set up linking passageway between pneumatic switch and the hole that converges, make the air in the inlet channel and the air in the linking passageway can converge to the atomizing chamber via the hole that converges. Because the suction resistance of the connecting channel is smaller than that of the air inlet channel, when a user sucks aerosol, air in the connecting channel can be preferentially guided to the atomizing cavity through the flow collecting hole under the action of negative pressure formed in the atomizing cavity, so that the pneumatic switch can sensitively sense the change of air flow or air pressure, the sensitivity of triggering and starting the pneumatic switch is effectively improved, the problem that the triggering and starting of the pneumatic switch is insensitive can be well improved, and the defect that the pneumatic switch is difficult to trigger and the pneumatic switch is easy to malfunction is overcome.

Description

Atomizer and aerosol generating device

Technical Field

The utility model belongs to the technical field of atomize, especially, relate to an atomizer and aerosol generating device.

Background

Aerosol generating devices typically comprise an atomiser capable of atomising an aerosol-forming substrate stored within the atomiser to form an aerosol under the action of an electrical drive from a power supply means, and a power supply means electrically connected to the atomiser.

At present, respond to the air current and start the aerosol generating device of work through miaow head switch, generally set up the miaow head air flue that is used for the intercommunication miaow head on power supply unit with miaow head switch on power supply unit to set up the air inlet in the atomizer bottom and the position that closes on the atomizing chamber, introduce the outside air in to the atomizing chamber through the air inlet. Because the air current route between air inlet and the atomizing chamber is shorter for the inhaling of air inlet hinders the inhaling that is less than the miaow head air flue far away and hinders, and the user suction aerosol when forming the negative pressure in the atomizing chamber, will appear only the air in the air inlet by negative pressure drainage to atomizing chamber, and the air in the miaow head air flue is difficult to by negative pressure drainage to atomizing chamber, leads to the miaow head switch to be difficult to triggered, causes the miaow head switch to be out of order easily, influences aerosol generating device's normal start.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned problem that exists among the prior art, the utility model provides an aim at provides an atomizer to solve the air in the current miaow of miaow head and be difficult to by negative pressure drainage to atomizing chamber, lead to the miaow head switch to be difficult to triggered, cause the malfunctioning technical problem of miaow head switch.

In order to achieve the above object, the utility model adopts the following technical scheme: the atomizer comprises a cartridge body, wherein an atomizing cavity is arranged in the cartridge body, an air inlet for introducing external air and a converging hole communicated with the atomizing cavity are respectively formed in the cartridge body, and an air inlet channel for introducing the air in the air inlet into the converging hole and a connecting channel for communicating the converging hole with a pneumatic switch are further arranged on the cartridge body and/or in the cartridge body; the suction resistance of the connecting channel is smaller than that of the air inlet channel, so that air in the connecting channel can be guided to the atomizing cavity through the confluence hole.

Furthermore, the confluence hole is formed in the bottom of the cartridge body, the air inlet is formed in the side wall of the cartridge body, and the air inlet channel is communicated with the air inlet and the confluence hole.

Further, the air inlet channel is a first air inlet channel arranged on the side wall of the cartridge main body; or the air inlet channel is a second air inlet channel arranged on the bottom wall of the cartridge main body; or the air inlet channel comprises a first air inlet flow channel arranged on the side wall of the cartridge body and a second air inlet flow channel arranged on the bottom wall of the cartridge body, the first end of the first air inlet flow channel is communicated with the air inlet, the second end of the first air inlet flow channel is communicated with the first end of the second air inlet flow channel, and the second end of the second air inlet flow channel is communicated with the confluence hole; or, the atomizer is still including locating the intake pipe in the cartridge main part, the intake pipe intercommunication the air inlet with converge the hole, so that the pipeline of intake pipe constitutes intake passage.

Furthermore, the connecting channel is an air guide channel arranged on the cartridge main body; or the atomizer further comprises an air guide pipe arranged in the cartridge main body, and the air guide pipe is communicated with the confluence hole and the pneumatic switch so that a pipeline of the air guide pipe forms the connection channel; or, the atomizer further comprises an air guide tube arranged in the smoke cartridge main body, an air guide channel is formed in the smoke cartridge main body, and the air guide tube is communicated with the air guide channel, so that the air guide channel and a pipeline of the air guide tube jointly form the connecting channel.

Further, the cartridge main part includes the cartridge case, install in the cartridge case seat of cartridge case bottom with locate atomizing seat subassembly in the cartridge case, be equipped with on the lateral wall of cartridge case the air inlet with the first inlet channel of air inlet intercommunication, be equipped with on the atomizing seat subassembly the atomizing chamber converging hole and intercommunication converging hole with the second inlet channel of first inlet channel, first inlet channel with second inlet channel constitutes inlet channel.

Furthermore, the cartridge main body comprises a cartridge case, a cartridge seat installed at the bottom of the cartridge case, and an atomizing seat assembly arranged in the cartridge case, the side wall of the cartridge case is provided with the air inlet and a first air inlet channel communicated with the air inlet, the atomizing seat assembly is provided with the atomizing cavity, the converging hole and a flow stopping hole communicated with the converging hole and the first air inlet channel, the aperture of the flow stopping hole is smaller than the aperture of the air inlet, and the first air inlet channel and the flow stopping hole form the air inlet channel;

or the cartridge main body comprises a cartridge case, a cartridge seat arranged at the bottom of the cartridge case and an atomizing seat assembly arranged in the cartridge case, the side wall of the cartridge case is provided with the air inlet and a first air inlet channel communicated with the air inlet, the atomizing seat assembly is provided with the atomizing cavity, the flow converging hole, a second air inlet channel communicated with the flow converging hole and a flow stopping hole communicated with the second air inlet channel and the first air inlet channel, the flow stopping hole and the second air inlet channel form the air inlet channel;

or, the cartridge main part includes the cartridge case, install in the cartridge case seat of cartridge case bottom with locate atomizing seat subassembly in the cartridge case, be equipped with on the lateral wall of cartridge case the air inlet with the first inlet channel of air inlet intercommunication, be equipped with on the atomizing seat subassembly the atomizing chamber converge the orifice, with the second inlet channel of converging the orifice intercommunication, and the intercommunication the second inlet channel with the third inlet channel of first inlet channel, first inlet channel the second inlet channel with the third inlet channel constitutes inlet channel.

Further, the cartridge body comprises a cartridge case, a cartridge seat mounted at the bottom of the cartridge case, and an atomizing seat assembly disposed in the cartridge case, the sidewall of the cartridge case is provided with the air inlet and a first air inlet channel communicated with the air inlet, the atomizing seat assembly comprises a sealing member supported and fixed on the cartridge seat, a base disposed on the sealing member, and a liquid sealing member sleeved on the base, the base is provided with the atomizing cavity, the flow converging hole, and a third air inlet channel communicated with the flow converging hole, the cartridge seat and/or the sealing member is provided with a second air inlet channel communicated with the third air inlet channel and the first air inlet channel, the second air inlet channel is arranged in a radial direction of the flow converging hole, and the third air inlet channel is arranged in an axial direction of the flow converging hole;

or, the cartridge main part includes the cartridge case, install in cartridge case seat of cartridge case bottom and locate atomizing seat subassembly in the cartridge case, be equipped with on the lateral wall of cartridge case the air inlet with the first inlet channel of air inlet intercommunication, atomizing seat subassembly including support and be fixed in the sealing member on the cartridge case seat, set up in base on the sealing member is located with the cover liquid sealing member on the base, be equipped with on the base atomizing chamber converge the orifice and with the third inlet channel of confluence orifice intercommunication, the cartridge case seat and/or be equipped with the intercommunication on the sealing member third inlet channel with the second inlet channel of first inlet channel, third inlet channel follows the axial extension setting in confluence orifice, third inlet channel is L type, U type, C type or W type pore.

Further, still be equipped with the collecting tank that is used for storing the condensate in the cartridge main part, the collecting tank with the confluence hole intercommunication, so that the cool night of congealing in the atomizing chamber can be through the confluence hole extremely the collecting tank.

Further, the joining channel is provided with a first port communicated with the confluence hole, and the height of the plane of the first port is higher than that of the plane of the notch of the liquid collecting groove; or the joining channel is provided with a first port which is used for being communicated with the confluence hole, the height of the plane of the first port is higher than that of the plane of the notch of the liquid collecting tank, and the first port and the confluence hole are arranged in a staggered mode; or, the joining channel is provided with a first port communicated with the air inlet channel, and the first port is arranged in a staggered mode with the liquid collecting groove.

Based on the above problems in the prior art, another object of the embodiments of the present invention is to provide an aerosol generating device having the atomizer provided in any of the above aspects.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided an aerosol generating device comprising the atomiser provided in any one of the preceding aspects and power supply means for supplying power to the atomiser.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, compare with prior art, have one of following beneficial effect at least:

the embodiment of the utility model provides an in atomizer and aerosol generating device, through set up the hole that converges with the atomizing chamber intercommunication in the cigarette bullet main part to set up inlet channel between air inlet and the hole that converges, set up between pneumatic switch and the hole that converges and link up the passageway, make air among the inlet channel and the air that links up in the passageway can converge to the atomizing chamber via the hole that converges. Because the suction resistance of the connecting channel is smaller than that of the air inlet channel, when a user sucks aerosol, air in the connecting channel can be preferentially guided to the atomizing cavity through the flow collecting hole under the action of negative pressure formed in the atomizing cavity, so that the pneumatic switch can sensitively sense the change of air flow or air pressure, the sensitivity of triggering and starting the pneumatic switch is effectively improved, the problem that the triggering and starting of the pneumatic switch is insensitive can be well improved, and the defect that the pneumatic switch is difficult to trigger and the pneumatic switch is easy to malfunction is overcome.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic cross-sectional structural diagram of an atomizer provided in an embodiment of the present invention;

fig. 2 is a schematic partial sectional structural view of an atomizer according to an embodiment of the present invention;

fig. 3 is an exploded view of an atomizer according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of an airway linking member according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structural diagram of an aerosol generating device according to an embodiment of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5;

fig. 7 is an exploded view of a power supply device according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a cartridge body; 11-cartridge case; 111-air inlet; 112-air outlet; 12-a cartridge seat; 121-a liquid collecting tank; 122-a jack; 123-a clamping piece; 13-an atomizing seat assembly; 131-a seal; 132-a base; 133-liquid sealing; 134-silica gel cover; 135-an atomizing chamber; 14-a ventilation pipe; 15-a liquid storage cavity; 16-a liquid inlet channel; 161-a first liquid inlet hole; 162-second inlet opening; 163-third inlet port; 17-a cigarette holder; 18-a sink hole; 19-a sealing ring;

2-an airway link; 21-an adaptor channel; 211-a first port; 212-a second port; 22-a card slot; 23-a conical surface;

3-an intake passage; 31 — a first intake runner; 32-a cutoff orifice; 33-a third inlet channel; 34-a second inlet runner;

4-atomizing core; 5-a pneumatic switch;

6-a power supply device; 61-a housing; 62-a battery; 63-support; 64-a mounting seat; 65-a second engagement airway; 66-cavity.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "plurality" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 7 together, an atomizer according to an embodiment of the present invention will now be described. The embodiment of the utility model provides an atomizer is applicable to aerosol generating device, the embodiment of the utility model provides an aerosol generating device mentions generally includes the atomizer and with atomizer electric connection's power supply unit 6. The embodiment of the utility model provides an aerosol generating device is when using, and power supply unit 6 can provide the electric energy to the atomizer, and the atomizer produces the heat under the electric drive effect, can form aerosol formation substrate heating atomization and form the aerosol that can supply the user to inhale.

Referring to fig. 1 to fig. 3, an atomizer according to an embodiment of the present invention will now be described. The embodiment of the utility model provides an atomizer includes cartridge main part 1, the inside atomizing chamber 135 that is equipped with of cartridge main part 1, air inlet 111 has been seted up on cartridge main part 1 respectively, gas outlet 112 and the hole 18 that converges that communicates with atomizing chamber 135, air inlet 111 can introduce outside air in to atomizing chamber 135, still be equipped with the inlet channel 3 that is arranged in introducing the air in air inlet 111 and converges hole 18 on cartridge main part 1, then the user is when sucking the aerosol through gas outlet 112, can form the suction negative pressure in the atomizing chamber 135 of cartridge main part 1, outside air can introduce in atomizing chamber 135 via air inlet 111 under the effect of negative pressure. It will be appreciated that in some of these embodiments, the atomising chamber 135 is provided with an atomising wick 4 which atomises the aerosol-forming substrate to form an aerosol. It is to be noted that an atomizing wick 4 for atomizing an aerosol-forming substrate into an aerosol may also be provided inside the cartridge body 1, the atomizing chamber 135 being provided on the atomizing wick 4. The main body 1 of the cartridge is also provided with a connecting channel 21 for communicating the confluence hole 18 with the pneumatic switch 5 of the aerosol generating device, and the suction resistance of the connecting channel 21 is smaller than that of the air inlet channel 3, so that air in the connecting channel 21 can be preferentially guided to the atomizing cavity 135 through the confluence hole 18, and the defect that the pneumatic switch is difficult to trigger and is easy to cause failure of the pneumatic switch is overcome.

It should be noted that, referring to fig. 5 in further combination, in the aerosol generating device according to the embodiment of the present invention, the pneumatic switch 5 for triggering and starting the operation of the aerosol generating device by sensing the air flow is disposed on the power supply device 6, and the second connecting air channel 65 for communicating with the connecting channel 21 is further disposed on the power supply device 6 and/or the pneumatic switch 5. The engagement channel 21 on the cartridge body 1 is in abutment and communication with the power supply means 6 and/or the second engagement air duct 65 on the pneumatic switch 5 after the atomiser is fitted in place with the power supply means 6. When the user sucks the aerosol through the air outlet 112, a suction negative pressure is formed in the atomizing chamber 135, the air in the connecting channel 21 is guided to the atomizing chamber 135 through the converging hole 18 under the action of the suction negative pressure, and the pneumatic switch 5 can sense the air flow or the change of the air pressure. Like this, air current or atmospheric pressure signal that air switch 5 will sense is electrical signal transmission to power supply unit 6's control panel for make control panel control power supply unit 6 supply power to atomizing core 4, atomizing core 4 produces the heat and atomizes aerosol formation substrate and form aerosol. Furthermore, the air inlet channel 3 in the embodiment of the present invention includes but is not limited to be disposed on the cartridge main body 1, for example, the air inlet channel 3 may also be disposed in the cartridge main body 1, and the air inlet channel 3 may also be disposed on the cartridge main body 1 and in the cartridge main body 1 at the same time. Similarly, the engaging channel 21 of the embodiment of the present invention includes but is not limited to being disposed on the cartridge body 1, for example, the engaging channel 21 may also be disposed in the cartridge body 1, and the engaging channel 21 may also be disposed on the cartridge body 1 and in the cartridge body 1 at the same time.

The embodiment of the utility model provides an atomizer compares with prior art, through set up the hole 18 that converges with atomizing chamber 135 intercommunication on cartridge main part 1 to set up inlet channel 3 between air inlet 111 and the hole 18 that converges, set up linking passageway 21 between pneumatic switch 5 and the hole 18 that converges, make the air in inlet channel 3 and the air in linking passageway 21 can converge to atomizing chamber 135 via the hole 18 that converges. Because the suction resistance of the connecting channel 21 is smaller than that of the air inlet channel 3, when a user sucks aerosol, air in the connecting channel 21 can be preferentially guided to the atomizing cavity 135 through the confluence hole 18 under the action of negative pressure formed in the atomizing cavity 135, so that the pneumatic switch 5 can sensitively sense the change of air flow or air pressure, the sensitivity of triggering and starting the pneumatic switch 5 is effectively improved, the problem that the triggering and starting of the pneumatic switch 5 is insensitive can be well improved, and the defect that the pneumatic switch 5 is difficult to trigger and easily causes the pneumatic switch 5 to malfunction is overcome.

Referring further to fig. 2, in some embodiments, the air inlet channel 3 may be a first air inlet channel 31 disposed on a side wall of the cartridge body 1, such that the first air inlet channel 31 forms the air inlet channel 3 communicating the air inlet 111 and the confluence hole 18. In other embodiments, the air inlet channel 3 may also be a second air inlet flow channel 34 disposed on the bottom wall of the cartridge body 1, such that the second air inlet flow channel 34 forms the air inlet channel 3 communicating the air inlet 111 with the confluence hole 18. In other embodiments, the air inlet channel 3 may further include a first air inlet channel 31 disposed on a side wall of the cartridge body 1 and a second air inlet channel 34 disposed on a bottom wall of the cartridge body 1, a first end of the first air inlet channel 31 communicates with the air inlet 111, a second end of the first air inlet channel 31 communicates with a first end of the second air inlet channel 34, and a second end of the second air inlet channel 34 communicates with the confluence hole 18, so that the first air inlet channel 31 and the second air inlet channel 34 form the air inlet channel 3 communicating the air inlet 111 and the confluence hole 18. In other embodiments, the atomizer may further include an air inlet pipe disposed in the cartridge body 1, the air inlet pipe communicating the air inlet 111 and the confluence hole 18, such that a conduit of the air inlet pipe constitutes the air inlet passage 3. In other embodiments, the atomizer may further include an air inlet pipe disposed in the cartridge body 1, the first air inlet flow channel 31 is disposed on the side wall of the cartridge body 1, the second air inlet flow channel 34 is disposed on the bottom wall of the cartridge body 1, and the pipe of the air inlet pipe, the first air inlet flow channel 31 and the second air inlet flow channel 34 form an air inlet channel 3 communicating the air inlet 111 and the confluence hole 18.

Referring further to fig. 1, 5 and 6, in some embodiments, the engaging channel 21 is an air guide channel disposed on the cartridge body 1, such that the air guide channel forms the engaging channel 21 for communicating the pneumatic switch 5 with the collecting hole 18. In other embodiments, the atomizer further comprises an air duct disposed in the cartridge body 1, the air duct communicating with the converging hole 18 and the pneumatic switch 5, so that the duct of the air duct forms a connecting channel 21 communicating with the pneumatic switch 5 and the converging hole 18. In other embodiments, the atomizer further includes an air guide tube disposed in the cartridge body 1, an air guide channel is disposed on the cartridge body 1, and the air guide tube is communicated with the air guide channel, so that the air guide channel and a pipeline of the air guide tube jointly form a connecting channel 21 for communicating the pneumatic switch 5 with the confluence hole 18.

Referring to fig. 1, 2 and 6, in some embodiments, the converging hole 18 is disposed at the bottom of the cartridge body 1, the air inlet 111 is disposed on the sidewall of the cartridge body 1, and the air inlet channel 3 communicates the air inlet 111 and the converging hole 18. In this embodiment, the air collecting hole 18 is provided in the bottom of the cartridge body 1, and the air inlet 111 is provided in the side wall of the cartridge body 1, so that the air inlet 111 is provided at a height higher than the height of the air collecting hole 18. And, set up the inlet channel 3 that communicates air inlet 111 and confluence hole 18 on the cartridge main body 1, can avoid the condensate in the atomizing chamber 135 to take place to leak via air inlet 111 on the one hand, on the other hand can prolong the air current route that outside air got into atomizing chamber 135, increase the external air and lead to the resistance of inhaling of confluence hole 18 through inlet channel 3, thereby guarantee to link up the air in the passageway 21 and can preferentially lead to atomizing chamber 135 via confluence hole 18, make pneumatic switch 5 can sensitively sense the change of air current or atmospheric pressure, thereby effectively improve pneumatic switch 5 and trigger the sensitivity of starting.

Referring to fig. 1, fig. 3 and fig. 6, in some embodiments, the cartridge body 1 includes a cartridge case 11, a cartridge seat 12 installed at the bottom of the cartridge case 11, and an atomizing seat assembly 13 installed in the cartridge case 11, an air inlet 111 and a first air inlet channel 31 communicated with the air inlet 111 are disposed on a side wall of the cartridge case 11, an atomizing chamber 135, a converging hole 18, and a second air inlet channel 34 communicated with the converging hole 18 and the first air inlet channel 31 are disposed on the atomizing seat assembly 13, and the first air inlet channel 31 and the second air inlet channel 34 form the air inlet channel 3. In this embodiment, the first air inlet flow channel 31 and the second air inlet flow channel 34 are arranged between the air inlet 111 and the confluence hole 18, the first air inlet flow channel 31 and the second air inlet flow channel 34 form the air inlet channel 3 communicating the air inlet 111 and the confluence hole 18, the air flow path of external air entering the atomization cavity 135 can be prolonged, the suction resistance of external air leading to the confluence hole 18 through the air inlet channel 3 is effectively increased, and therefore it is ensured that air in the connection channel 21 can be preferentially led to the atomization cavity 135 through the confluence hole 18, the pneumatic switch 5 can sensitively sense the change of air flow or air pressure, and the sensitivity of triggering and starting of the pneumatic switch 5 is effectively improved.

Referring to fig. 1, 3 and 6, in some embodiments, the cartridge body 1 includes a cartridge case 11, a cartridge seat 12 installed at the bottom of the cartridge case 11, and an atomizing seat assembly 13 installed in the cartridge case 11, an air inlet 111 and a first air inlet channel 31 communicated with the air inlet 111 are disposed on a sidewall of the cartridge case 11, an atomizing cavity 135, a converging hole 18, and a shut-off hole 32 communicating the converging hole 18 with the first air inlet channel 31 are disposed on the atomizing seat assembly 13, a diameter of the shut-off hole 32 is smaller than a diameter of the air inlet 111, and the first air inlet channel 31 and the shut-off hole 32 form an air inlet channel 3 communicating the air inlet 111 with the converging hole 18. In this embodiment, the cutoff hole 32 is arranged between the first air inlet flow channel 31 and the confluence hole 18, the first air inlet flow channel 31 and the cutoff hole 32 form the air inlet channel 3 communicating the air inlet 111 and the confluence hole 18, and the aperture of the cutoff hole 32 is smaller than the aperture of the air inlet 111, so that the suction resistance of external air which is guided to the confluence hole 18 through the air inlet channel 3 is effectively increased, and thus the air in the connection channel 21 can be preferentially guided to the atomization cavity 135 through the confluence hole 18, so that the pneumatic switch 5 can sensitively sense the change of air flow or air pressure, and the sensitivity of triggering and starting of the pneumatic switch 5 is effectively improved.

Referring to fig. 1, fig. 3 and fig. 6, in another embodiment, the cartridge body 1 includes a cartridge case 11, a cartridge seat 12 installed at the bottom of the cartridge case 11, and an atomizing seat assembly 13 installed in the cartridge case 11, an air inlet 111 and a first air inlet channel 31 communicating with the air inlet 111 are disposed on a sidewall of the cartridge case 11, an atomizing chamber 135, a converging hole 18, a second air inlet channel 34 communicating with the converging hole 18, and a shut-off hole 32 communicating the second air inlet channel 34 and the first air inlet channel 31 are disposed on the atomizing seat assembly 13, and the first air inlet channel 31, the shut-off hole 32 and the second air inlet channel 34 form an air inlet channel 3 communicating the air inlet 111 and the converging hole 18. In this embodiment, the cutoff hole 32 is arranged between the first air inlet flow channel 31 and the second air inlet flow channel 34, the first air inlet flow channel 31, the cutoff hole 32 and the second air inlet flow channel 34 form the air inlet channel 3 communicating the air inlet 111 and the confluence hole 18, the air flow path of external air entering the atomization cavity 135 is prolonged, the suction resistance of external air which is guided to the confluence hole 18 through the air inlet channel 3 is effectively increased, and therefore it is ensured that air in the connection channel 21 can be guided to the atomization cavity 135 through the confluence hole 18 preferentially, the pneumatic switch 5 can sense the change of air flow or air pressure sensitively, and the sensitivity of triggering and starting of the pneumatic switch 5 is effectively improved.

Referring to fig. 1, fig. 3 and fig. 6, in another embodiment, the cartridge body 1 includes a cartridge case 11, a cartridge seat 12 installed at the bottom of the cartridge case 11, and an atomizing seat assembly 13 installed in the cartridge case 11, an air inlet 111 and a first air inlet channel 31 communicating with the air inlet 111 are disposed on a side wall of the cartridge case 11, an atomizing chamber 135, a converging hole 18, a second air inlet channel 34 communicating with the converging hole 18, and a third air inlet channel 33 communicating the second air inlet channel 34 with the first air inlet channel 31 are disposed on the atomizing seat assembly 13, and the first air inlet channel 31, the second air inlet channel 34 and the third air inlet channel 33 form an air inlet channel 3 communicating the air inlet 111 with the converging hole 18. In this embodiment, the third air inlet channel 33 is disposed between the first air inlet channel 31 and the second air inlet channel 34, the first air inlet channel 31, the third air inlet channel 33 and the second air inlet channel 34 form the air inlet channel 3 communicating the air inlet 111 and the confluence hole 18, the air flow path of the external air entering the atomization cavity 135 is prolonged, and the suction resistance of the external air flowing to the confluence hole 18 through the air inlet channel 3 is effectively increased, so that it is ensured that the air in the connection channel 21 can be preferentially flowed to the atomization cavity 135 through the confluence hole 18, the pneumatic switch 5 can sensitively sense the change of the air flow or the air pressure, and the sensitivity of the triggering and starting of the pneumatic switch 5 is effectively improved. Of course, referring to fig. 2, in other embodiments, an intercepting hole 32 may be disposed between the first air inlet channel 31 and the third air inlet channel 33, such that the intercepting hole 32 communicates the first air inlet channel 31 and the third air inlet channel 33, which effectively increases the suction resistance of the external air to be guided to the collecting hole 18 through the air inlet channel 3.

Referring to fig. 1, 3 and 6 in combination, in other embodiments, the cartridge body 1 includes a cartridge case 11, a cartridge seat 12 installed at the bottom of the cartridge case 11, and an atomizing seat assembly 13 installed in the cartridge case 11, an air inlet 111 and a first air inlet channel 31 communicating with the air inlet 111 are provided on a side wall of the cartridge case 11, the atomizing seat assembly 13 includes a sealing member 131 supported and fixed on the cartridge seat 12, the base 132 is arranged on the sealing member 131, and the liquid sealing member 133 is sleeved on the base 132, the atomizing chamber 135, the confluence hole 18 and the third air inlet channel 33 communicated with the confluence hole 18 are arranged on the base 132, the second air inlet channel 34 communicated with the third air inlet channel 33 and the first air inlet channel 31 is arranged on the cartridge holder 12 and/or the sealing member 131, the second air inlet channel 34 extends along the radial direction of the confluence hole 18, and the third air inlet channel 33 extends along the axial direction of the confluence hole 18. In this embodiment, by providing the third intake runner 33 between the first intake runner 31 and the second intake runner 34, providing the second intake runner 34 extending in the radial direction of the confluence hole 18, and providing the third intake runner 33 extending in the axial direction of the confluence hole 18, after the first intake runner 31, the third intake runner 33 and the second intake runner 34 form the intake passage 3 communicating the intake port 111 and the confluence hole 18, the intake passage 3 has a curved or circuitous flow path structure, can prolong the airflow path of the external air entering the atomizing cavity 135, effectively increase the suction resistance of the external air which is guided to the confluence hole 18 through the air inlet channel 3, thereby ensuring that air in the communication channel 21 can be preferentially directed to the nebulization chamber 135 via the outlet orifice 18, the pneumatic switch 5 can sensitively sense the change of the air flow or the air pressure, and therefore the sensitivity of triggering and starting of the pneumatic switch 5 is effectively improved.

Referring to fig. 1, fig. 3 and fig. 6 in combination, in other embodiments, the cartridge body 1 includes a cartridge case 11, a cartridge seat 12 installed at the bottom of the cartridge case 11, and an atomizing seat assembly 13 installed in the cartridge case 11, an air inlet 111 and a first air inlet channel 31 communicating with the air inlet 111 are provided on a side wall of the cartridge case 11, the atomizing seat assembly 13 includes a sealing member 131 supported and fixed on the cartridge seat 12, a base 132 installed on the sealing member 131, and a liquid sealing member 133 sleeved on the base 132, it is understood that the sealing member 131 may be, but not limited to, a silicone member, and the liquid sealing member 133 may be, but not limited to, a silicone member. The base 132 is provided with an atomizing chamber 135, a confluence hole 18 and a third air inlet channel 33 communicated with the confluence hole 18, the cartridge holder 12 and/or the sealing member 131 is provided with a second air inlet channel 34 communicated with the third air inlet channel 33 and the first air inlet channel 31, the third air inlet channel 33 extends along the axial direction of the confluence hole 18, and the third air inlet channel 33 includes, but is not limited to, L-shaped, U-shaped, C-shaped, V-shaped and W-shaped channels or pipes. In this embodiment, by disposing the third air inlet channel 33 between the first air inlet channel 31 and the second air inlet channel 34, and disposing the third air inlet channel 33 to extend along the axial direction of the confluence hole 18, and the third air inlet channel 33 includes but is not limited to L-shaped, U-shaped, C-shaped, V-shaped and W-shaped channels or pipes, after the first air inlet channel 31, the third air inlet channel 33 and the second air inlet channel 34 form the air inlet channel 3 communicating the air inlet 111 and the confluence hole 18, the air inlet channel 3 has a curved or circuitous flow channel structure, which can prolong the air flow path of the external air entering the atomization cavity 135, effectively increase the resistance of the external air being led to the confluence hole 18 through the air inlet channel 3, thereby ensuring that the air in the joining channel 21 can be led to the atomization cavity 135 through the confluence hole 18 preferentially, so that the pneumatic switch 5 can sensitively sense the change of air flow or air pressure, thereby effectively improving the sensitivity of triggering and starting the pneumatic switch 5.

Referring to fig. 1 and 3, in some embodiments, the atomizing base assembly 13 further includes a silica gel sleeve 134 covering the atomizing core 4, the base 132 has an inner cavity forming the atomizing cavity 135, the liquid sealing member 133 is formed with a first liquid inlet hole 161, the base 132 is formed with a second liquid inlet hole 162, the silica gel sleeve 134 is formed with a third liquid inlet hole 163, and the first liquid inlet hole 161, the second liquid inlet hole 162, and the third liquid inlet hole 163 are communicated together to form a liquid inlet channel 16 for guiding the aerosol-forming substrate in the liquid storage cavity 15 to flow to the atomizing cavity 135.

Referring to fig. 1 and 6, in other embodiments, the cartridge body 1 further has a liquid collecting groove 121 for storing condensate, and the liquid collecting groove 121 is communicated with the confluence hole 18. In this embodiment, by providing the liquid collecting groove 121 on the cartridge body 1, the condensed liquid in the atomizing chamber 135 can flow into the liquid collecting groove 121 through the flow-converging hole 18, so that the condensed liquid is confined in the liquid collecting groove 121, and the condensed liquid is prevented from leaking through the air inlet channel 3 and/or the engaging channel 21.

Referring to fig. 1 and 6 in combination, in other embodiments, the sump 121 communicates the inlet passage 3 with the manifold holes 18, and the manifold holes 18 are located above the slot of the sump 121. In this embodiment, by disposing the liquid collecting groove 121 on the cartridge seat 12 of the cartridge body 1, the liquid collecting groove 121 is located at the bottom of the cartridge body 1, and the confluence hole 18 is located above the notch of the liquid collecting groove 121, and the notch of the liquid collecting groove 121 faces the confluence hole 18, which is beneficial for the cool condensation liquid in the atomization cavity 135 to converge to the liquid collecting groove 121 through the confluence hole 18, so that the cool condensation liquid is confined in the liquid collecting groove 121.

Referring to fig. 1 and 6 in combination, in other embodiments, the engaging channel 21 has a first port 211 for communicating with the collecting hole 18 and a second port 212 for communicating with the pneumatic switch 5, and the first port 211 is located on a plane higher than a plane of the notch of the sump 121 to prevent the condensate from flowing into the pneumatic switch 5 through the engaging channel 21, so as to prevent the condensate from infiltrating into the pneumatic switch 5 along the engaging channel 21, thereby effectively preventing the pneumatic switch 5 from being corroded by the condensate to cause malfunction or damage of the pneumatic switch 5.

Referring to fig. 1 and 6 in combination, in other embodiments, the joining channel 21 has a first port 211 for communicating with the collecting hole 18 and a second port 212 for communicating with the pneumatic switch 5, the first port 211 is located on a plane higher than the slot of the sump 121, and the first port 211 and the collecting hole 18 are arranged in a staggered manner to prevent the condensate in the collecting hole 18 from falling into the joining channel 21, so as to prevent the condensate from penetrating into the pneumatic switch 5 along the joining channel 21, thereby effectively preventing the pneumatic switch 5 from being corroded by the condensate to cause failure or damage of the pneumatic switch 5.

Referring to fig. 1 and 6, in other embodiments, the connecting channel 21 has a first port 211 for communicating with the air inlet channel 3, and the first port 211 is disposed in a staggered manner with respect to the liquid collecting tank 121 to prevent the condensate in the liquid collecting tank 121 from permeating into the pneumatic switch 5 through the connecting channel 21, thereby effectively preventing the pneumatic switch 5 from being corroded by the condensate to cause malfunction or damage of the pneumatic switch 5.

Referring to fig. 1 and 3 in combination, in some embodiments, the cartridge body 1 includes a cartridge case 11, a cartridge seat 12 mounted to the bottom of the cartridge case 11, locate the atomizing seat subassembly 13 in the cigarette cartridge case 11 and locate the breather pipe 14 in the cigarette cartridge case 11, the junction of cigarette cartridge seat 12 and cigarette cartridge case 11 is equipped with sealing washer 19, air inlet 111 and gas outlet 112 set up respectively on cigarette cartridge case 11, air inlet channel 3 locates on cigarette cartridge case 11 and/or atomizing seat subassembly 13, collecting tank 121 and gas channel link 2 set up respectively on cigarette cartridge seat 12, atomizing chamber 135 locates on atomizing seat subassembly 13, breather pipe 14 intercommunication atomizing chamber 135 and gas outlet 112, the inside liquid reserve chamber 15 that is used for storing aerosol formation matrix of portion outside atomizing seat subassembly 13, breather pipe 14 of cigarette cartridge case 11, be equipped with the inlet channel 16 that communicates liquid reserve chamber 15 and atomizing chamber 135 on atomizing seat subassembly 13. In use, aerosol-forming substrate in the reservoir 15 may be transported via the inlet channel 16 to the atomising core 4 in the atomising chamber 135 and the atomising core 4 may be heated to atomise the aerosol-forming substrate to form an aerosol upon heating by energisation. It is understood that the atomizing core 4 of the atomizer can be, but is not limited to, a ceramic atomizing element, and the atomizing core 4 can also be a metal wire heating element wrapped with absorbent cotton.

Referring to fig. 1, 4 and 6, in other embodiments, the atomizer further includes an airway adapter 2 disposed on and/or in the cartridge body 1, and the airway adapter 2 is provided with an adapter channel 21. By providing the confluence hole 18 communicating with the atomization chamber 135 on the cartridge body 1 and providing the air inlet passage 3 between the air inlet 111 and the confluence hole 18, the air duct connection piece 2 having the connection passage 21 is provided between the pneumatic switch 5 and the confluence hole 18, so that the air in the air inlet passage 3 and the air in the connection passage 21 can be confluent to the atomization chamber 135 through the confluence hole 18. Further, the suction resistance of the engaging channel 21 is smaller than that of the air inlet channel 3, so that when a user sucks aerosol, air in the engaging channel 21 can be preferentially guided to the atomizing cavity 135 through the converging hole 18 under the action of negative pressure formed in the atomizing cavity 135, so that the pneumatic switch 5 can sensitively sense the change of air flow or air pressure, and the sensitivity of triggering and starting the pneumatic switch 5 is effectively improved. Furthermore, the utility model provides an engagement channel 21 includes but is not limited to and sets up on the cartridge main part 1, for example, engagement channel 21 also can set up in the cartridge main part 1, engagement channel 21 also can set up simultaneously on the cartridge main part 1 and in the cartridge main part 1.

Referring to fig. 1 and 3, in some embodiments, the bottom of the cartridge body 1 is provided with a plug hole 122, and the plug hole 122 allows the air passage connector 2 to be inserted into the cartridge body 1, so as to facilitate the assembly between the air passage connector 2 and the cartridge body 1. In other embodiments, the airway joint piece 2 is a silica gel piece, and the silica gel piece has certain elasticity, so that the airway joint piece 2 and the insertion hole 122 can be in interference fit, the sealing performance is improved, and liquid leakage is prevented. Of course, it is understood that the airway joint member 2 may be, but not limited to, a silicone member, and the airway joint member 2 may also be a rubber member or a plastic member with certain elasticity. In addition, when the insertion hole 122 is disposed on the cartridge seat 12, the cartridge seat 12 is provided with a locking member 123. The cartridge shell 11 may also have a mouthpiece 17 disposed thereon, and the air outlet 112 may be, but is not limited to being, disposed on the mouthpiece 17. The smoke shell 11 can also be provided with a first air inlet flow channel 31 for communicating the air inlet 111 with the air inlet channel 3, and the arrangement of the first air inlet flow channel 31 further prolongs the air flow path between the air inlet 111 and the atomizing cavity 135, so that the air flow in the connecting channel 21 on the air flue connecting piece 2 is preferentially sucked into the atomizing cavity 135, and the triggering sensitivity of the pneumatic switch 5 is enhanced.

Referring to fig. 1 and 4, in some embodiments, a clamping member 123 is disposed on the cartridge body 1 corresponding to the insertion hole 122, and a clamping groove 22 for clamping the clamping member 123 is disposed on the airway connecting member 2. When joint spare 123 and block, can be fixed in on the cigarette bullet main part 1 with air flue joint spare 2 firmly, prevent that air flue joint spare 2 from rocking the displacement or coming off. It should be noted that, when the airway linking piece 2 is the silica gel piece, the airway linking piece 2 is connected and fixed through the buckle structure of the clamping piece 123 and the clamping groove 22, and the air airway linking piece 2 can be conveniently detached or installed, and meanwhile, the sealing performance can be further improved. It should be noted that, when the slot 22 is a groove formed on the airway adapter 2, the locking member 123 corresponds to a dot-like or block-like protrusion that can be locked into the groove. Referring to fig. 4, when the locking groove 22 is an annular groove formed on the airway linking member 2, the locking member 123 is corresponding to an annular protrusion that can be locked into the annular groove

Referring to fig. 5, an aerosol generating device according to an embodiment of the present invention includes the atomizer provided in any of the above embodiments and a power supply device 6 for supplying power to the atomizer. Since the aerosol generating device has all the technical features of the atomizer provided in any of the above embodiments, it has the same technical effects as the atomizer described above.

Referring to fig. 5, fig. 6 and fig. 7, in some embodiments, the power supply device 6 includes a housing 61, a battery 62 disposed in the housing 61, and a support 63 disposed in the housing 61 and adjacent to the top opening of the housing 61, the support 63 is provided with a pneumatic switch 5, and the support 63 is further provided with a second engaging air channel 65 communicated with the pneumatic switch 5, so that when the atomizer and the power supply device 6 are assembled in place, the cartridge seat 12 of the cartridge body 1 is supported on the support 63, and the bottom end of the air channel engaging member 2 abuts against the support 63 at a position corresponding to the second engaging air channel 65, so that the first port 211 of the engaging channel 21 abuts against and is communicated with the second engaging air channel 65 on the support, thereby improving the consistency and the tightness of the engagement between the pneumatic switch 5 and the cartridge body 1. The support 63 is further provided with a mounting seat 64 for mounting the pneumatic switch 5, a cavity 66 communicated with the second connecting air channel 65 is arranged in the mounting seat 64, and the pneumatic switch 5 is accommodated in the cavity 66, so that the pneumatic switch 5 can well sense the change of air flow or air pressure in the cavity 66 or the second connecting air channel 65. The mounting seat 64 may be, but is not limited to, a soft rubber piece made of a silicone material or a rubber material to enhance the air tightness of the pneumatic switch 5 mounted on the bracket, so that the pneumatic switch 5 is easier to trigger and is more sensitive to start.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An atomizer is characterized by comprising a cartridge body, wherein an atomizing cavity is arranged in the cartridge body, an air inlet for introducing external air and a converging hole communicated with the atomizing cavity are respectively formed in the cartridge body, and an air inlet channel for introducing the air in the air inlet into the converging hole and a connecting channel for communicating the converging hole with a pneumatic switch are further arranged on the cartridge body and/or in the cartridge body; the suction resistance of the connecting channel is smaller than that of the air inlet channel, so that the air in the connecting channel can be guided to the atomizing cavity through the confluence hole.

2. The nebulizer of claim 1, wherein the flow-merging hole is provided in a bottom of the cartridge body, the gas inlet is provided in a side wall of the cartridge body, and the gas inlet passage communicates the gas inlet with the flow-merging hole.

3. The nebulizer of claim 1, wherein the air inlet channel is a first air inlet conduit provided on a side wall of the cartridge body; or the air inlet channel is a second air inlet channel arranged on the bottom wall of the cartridge main body; or the air inlet channel comprises a first air inlet flow channel arranged on the side wall of the cartridge body and a second air inlet flow channel arranged on the bottom wall of the cartridge body, wherein the first end of the first air inlet flow channel is communicated with the air inlet, the second end of the first air inlet flow channel is communicated with the first end of the second air inlet flow channel, and the second end of the second air inlet flow channel is communicated with the confluence hole; or, the atomizer is still including locating the intake pipe in the cartridge main part, the intake pipe intercommunication the air inlet with converge the hole, so that the pipeline of intake pipe constitutes intake passage.

4. The nebulizer of claim 1, wherein the engagement channel is an air guide channel provided on the cartridge body; or the atomizer further comprises an air guide pipe arranged in the cartridge main body, and the air guide pipe is communicated with the confluence hole and the pneumatic switch so that a pipeline of the air guide pipe forms the connection channel; or, the atomizer further comprises an air guide tube arranged in the smoke cartridge main body, an air guide channel is formed in the smoke cartridge main body, and the air guide tube is communicated with the air guide channel, so that the air guide channel and a pipeline of the air guide tube jointly form the connecting channel.

5. The atomizer of claim 1, wherein said cartridge body comprises a cartridge case, a cartridge case seat mounted at the bottom of said cartridge case, and an atomizing seat assembly disposed in said cartridge case, said cartridge case has a sidewall provided with said air inlet and a first air inlet channel communicated with said air inlet, said atomizing seat assembly has said atomizing chamber, said flow converging hole and a second air inlet channel communicated with said flow converging hole and said first air inlet channel, said first air inlet channel and said second air inlet channel constitute said air inlet channel.

6. The atomizer according to claim 1, wherein said cartridge body comprises a cartridge case, a cartridge case seat mounted at the bottom of said cartridge case, and an atomizing seat assembly disposed in said cartridge case, said cartridge case has a sidewall provided with said air inlet and a first air inlet channel communicated with said air inlet, said atomizing seat assembly has said atomizing chamber, said flow converging hole, and a shut-off hole communicating said flow converging hole and said first air inlet channel, said shut-off hole has a smaller diameter than said air inlet, said first air inlet channel and said shut-off hole constitute said air inlet channel;

or the main body of the cartridge comprises a cartridge case, a cartridge case seat installed at the bottom of the cartridge case, and an atomizing seat assembly arranged in the cartridge case, wherein the side wall of the cartridge case is provided with the air inlet and a first air inlet channel communicated with the air inlet, the atomizing seat assembly is provided with the atomizing cavity, the flow converging hole, a second air inlet channel communicated with the flow converging hole, and a closure hole communicated with the second air inlet channel and the first air inlet channel, the closure hole and the second air inlet channel form the air inlet channel;

or, the cartridge main part includes the cartridge case, install in the cartridge case seat of cartridge case bottom with locate atomizing seat subassembly in the cartridge case, be equipped with on the lateral wall of cartridge case the air inlet with the first inlet channel of air inlet intercommunication, be equipped with on the atomizing seat subassembly the atomizing chamber converge the orifice, with the second inlet channel of converging the orifice intercommunication, and the intercommunication the second inlet channel with the third inlet channel of first inlet channel, first inlet channel the second inlet channel with the third inlet channel constitutes inlet channel.

7. The nebulizer of claim 1, wherein the cartridge body comprises a cartridge case, a cartridge seat mounted to a bottom of the cartridge case, and an aerosolization seat assembly disposed in the cartridge case, the side wall of the smoke cartridge shell is provided with the air inlet and a first air inlet flow passage communicated with the air inlet, the atomizing seat component comprises a sealing element which is supported and fixed on the cigarette bullet seat, a base which is arranged on the sealing element and a liquid sealing element which is sleeved on the base, the base is provided with the atomizing cavity, the confluence hole and a third air inlet channel communicated with the confluence hole, a second air inlet flow channel communicated with the third air inlet flow channel and the first air inlet flow channel is arranged on the smoke cartridge seat and/or the sealing piece, the second air inlet flow channel extends along the radial direction of the confluence hole, and the third air inlet flow channel extends along the axial direction of the confluence hole;

or, the cigarette bullet main part includes the cigarette shell case, install in the cigarette shell seat of cigarette shell case bottom with locate atomizing seat subassembly in the cigarette shell case, be equipped with on the lateral wall of cigarette shell case the air inlet with the first inlet channel of air inlet intercommunication, atomizing seat subassembly including support and be fixed in the sealing member on the cigarette shell seat, set up in base on the sealing member is located with the cover liquid spare that seals on the base, be equipped with on the base the atomizing chamber converge the orifice with the third inlet channel of converging the orifice intercommunication, the cigarette shell seat and/or be equipped with the intercommunication on the sealing member third inlet channel with the second inlet channel of first inlet channel, third inlet channel is followed the axial extension setting of converging the orifice, third inlet channel is L type, U type, C type or W type pore.

8. The atomizer of any one of claims 1 to 7, wherein a sump for storing condensate is further provided in said cartridge body, said sump communicating with said manifold aperture such that cooling liquid in said atomizing chamber can flow to said sump via said manifold aperture.

9. The atomizer of claim 8, wherein said adaptor channel has a first port for communicating with said manifold aperture, said first port being at a higher elevation than the plane of the sump slot; or the joining channel is provided with a first port which is used for being communicated with the confluence hole, the height of the plane of the first port is higher than that of the plane of the notch of the liquid collecting tank, and the first port and the confluence hole are arranged in a staggered mode; or, the joining channel is provided with a first port communicated with the air inlet channel, and the first port is arranged in a staggered mode with the liquid collecting groove.

10. An aerosol generating device comprising an atomiser and power supply means for supplying power to the atomiser, wherein the atomiser is an atomiser as claimed in any of claims 1 to 9.

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